src/hardware/serial-dmm/api.c

   1 /*
   2  * This file is part of the libsigrok project.
   3  *
   4  * Copyright (C) 2012 Bert Vermeulen <bert@biot.com>
   5  * Copyright (C) 2012 Alexandru Gagniuc <mr.nuke.me@gmail.com>
   6  * Copyright (C) 2012 Uwe Hermann <uwe@hermann-uwe.de>
   7  *
   8  * This program is free software: you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation, either version 3 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20  */
  21
  22 #include <config.h>
  23 #include <sys/types.h>
  24 #include <sys/stat.h>
  25 #include <fcntl.h>
  26 #include <string.h>
  27 #include <glib.h>
  28 #include <libsigrok/libsigrok.h>
  29 #include "libsigrok-internal.h"
  30 #include "protocol.h"
  31
  32 static const uint32_t scanopts[] = {
  33         SR_CONF_CONN,
  34         SR_CONF_SERIALCOMM,
  35 };
  36
  37 static const uint32_t drvopts[] = {
  38         SR_CONF_MULTIMETER,
  39 };
  40
  41 static const uint32_t devopts[] = {
  42         SR_CONF_CONTINUOUS,
  43         SR_CONF_LIMIT_SAMPLES | SR_CONF_SET,
  44         SR_CONF_LIMIT_MSEC | SR_CONF_SET,
  45 };
  46
  47 static GSList *scan(struct sr_dev_driver *di, GSList *options)
  48 {
  49         struct dmm_info *dmm;
  50         struct sr_config *src;
  51         GSList *l, *devices;
  52         const char *conn, *serialcomm;
  53         struct sr_dev_inst *sdi;
  54         struct dev_context *devc;
  55         struct sr_serial_dev_inst *serial;
  56         int dropped, ret;
  57         size_t len;
  58         uint8_t buf[128];
  59         size_t ch_idx;
  60         char ch_name[12];
  61
  62         dmm = (struct dmm_info *)di;
  63
  64         conn = dmm->conn;
  65         serialcomm = dmm->serialcomm;
  66         for (l = options; l; l = l->next) {
  67                 src = l->data;
  68                 switch (src->key) {
  69                 case SR_CONF_CONN:
  70                         conn = g_variant_get_string(src->data, NULL);
  71                         break;
  72                 case SR_CONF_SERIALCOMM:
  73                         serialcomm = g_variant_get_string(src->data, NULL);
  74                         break;
  75                 }
  76         }
  77         if (!conn)
  78                 return NULL;
  79
  80         serial = sr_serial_dev_inst_new(conn, serialcomm);
  81
  82         if (serial_open(serial, SERIAL_RDWR) != SR_OK)
  83                 return NULL;
  84
  85         sr_info("Probing serial port %s.", conn);
  86
  87         devices = NULL;
  88
  89         /* Request a packet if the DMM requires this. */
  90         if (dmm->packet_request) {
  91                 if ((ret = dmm->packet_request(serial)) < 0) {
  92                         sr_err("Failed to request packet: %d.", ret);
  93                         return FALSE;
  94                 }
  95         }
  96
  97         /*
  98          * There's no way to get an ID from the multimeter. It just sends data
  99          * periodically (or upon request), so the best we can do is check if
 100          * the packets match the expected format.
 101          */
 102
 103         /* Let's get a bit of data and see if we can find a packet. */
 104         len = sizeof(buf);
 105         ret = serial_stream_detect(serial, buf, &len, dmm->packet_size,
 106                                    dmm->packet_valid, 3000);
 107         if (ret != SR_OK)
 108                 goto scan_cleanup;
 109
 110         /*
 111          * If we dropped more than two packets worth of data, something is
 112          * wrong. We shouldn't quit however, since the dropped bytes might be
 113          * just zeroes at the beginning of the stream. Those can occur as a
 114          * combination of the nonstandard cable that ships with some devices
 115          * and the serial port or USB to serial adapter.
 116          */
 117         dropped = len - dmm->packet_size;
 118         if (dropped > 2 * dmm->packet_size)
 119                 sr_warn("Had to drop too much data.");
 120
 121         sr_info("Found device on port %s.", conn);
 122
 123         sdi = g_malloc0(sizeof(struct sr_dev_inst));
 124         sdi->status = SR_ST_INACTIVE;
 125         sdi->vendor = g_strdup(dmm->vendor);
 126         sdi->model = g_strdup(dmm->device);
 127         devc = g_malloc0(sizeof(struct dev_context));
 128         sr_sw_limits_init(&devc->limits);
 129         sdi->inst_type = SR_INST_SERIAL;
 130         sdi->conn = serial;
 131         sdi->priv = devc;
 132         dmm->channel_count = 1;
 133         if (dmm->packet_parse == sr_brymen_bm86x_parse)
 134                 dmm->channel_count = BRYMEN_BM86X_DISPLAY_COUNT;
 135         if (dmm->packet_parse == sr_eev121gw_3displays_parse) {
 136                 dmm->channel_count = EEV121GW_DISPLAY_COUNT;
 137                 dmm->channel_formats = eev121gw_channel_formats;
 138         }
 139         if (dmm->packet_parse == sr_metex14_4packets_parse)
 140                 dmm->channel_count = 4;
 141         if (dmm->packet_parse == sr_ms2115b_parse) {
 142                 dmm->channel_count = MS2115B_DISPLAY_COUNT;
 143                 dmm->channel_formats = ms2115b_channel_formats;
 144         }
 145         for (ch_idx = 0; ch_idx < dmm->channel_count; ch_idx++) {
 146                 size_t ch_num;
 147                 const char *fmt;
 148                 fmt = "P%zu";
 149                 if (dmm->channel_formats && dmm->channel_formats[ch_idx])
 150                         fmt = dmm->channel_formats[ch_idx];
 151                 ch_num = ch_idx + 1;
 152                 snprintf(ch_name, sizeof(ch_name), fmt, ch_num);
 153                 sr_channel_new(sdi, ch_idx, SR_CHANNEL_ANALOG, TRUE, ch_name);
 154         }
 155         devices = g_slist_append(devices, sdi);
 156
 157 scan_cleanup:
 158         serial_close(serial);
 159
 160         return std_scan_complete(di, devices);
 161 }
 162
 163 static int config_set(uint32_t key, GVariant *data,
 164         const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
 165 {
 166         struct dev_context *devc;
 167
 168         (void)cg;
 169
 170         devc = sdi->priv;
 171
 172         return sr_sw_limits_config_set(&devc->limits, key, data);
 173 }
 174
 175 static int config_list(uint32_t key, GVariant **data,
 176         const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
 177 {
 178         return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts);
 179 }
 180
 181 static int dev_acquisition_start(const struct sr_dev_inst *sdi)
 182 {
 183         struct dev_context *devc;
 184         struct sr_serial_dev_inst *serial;
 185
 186         devc = sdi->priv;
 187
 188         sr_sw_limits_acquisition_start(&devc->limits);
 189         std_session_send_df_header(sdi);
 190
 191         serial = sdi->conn;
 192         serial_source_add(sdi->session, serial, G_IO_IN, 50,
 193                       receive_data, (void *)sdi);
 194
 195         return SR_OK;
 196 }
 197
 198 #define DMM_CONN(ID, CHIPSET, VENDOR, MODEL, \
 199                 CONN, SERIALCOMM, PACKETSIZE, TIMEOUT, DELAY, \
 200                 REQUEST, VALID, PARSE, DETAILS) \
 201         &((struct dmm_info) { \
 202                 { \
 203                         .name = ID, \
 204                         .longname = VENDOR " " MODEL, \
 205                         .api_version = 1, \
 206                         .init = std_init, \
 207                         .cleanup = std_cleanup, \
 208                         .scan = scan, \
 209                         .dev_list = std_dev_list, \
 210                         .dev_clear = std_dev_clear, \
 211                         .config_get = NULL, \
 212                         .config_set = config_set, \
 213                         .config_list = config_list, \
 214                         .dev_open = std_serial_dev_open, \
 215                         .dev_close = std_serial_dev_close, \
 216                         .dev_acquisition_start = dev_acquisition_start, \
 217                         .dev_acquisition_stop = std_serial_dev_acquisition_stop, \
 218                         .context = NULL, \
 219                 }, \
 220                 VENDOR, MODEL, CONN, SERIALCOMM, PACKETSIZE, TIMEOUT, DELAY, \
 221                 REQUEST, 1, NULL, VALID, PARSE, DETAILS, sizeof(struct CHIPSET##_info) \
 222         }).di
 223
 224 #define DMM(ID, CHIPSET, VENDOR, MODEL, SERIALCOMM, PACKETSIZE, TIMEOUT, \
 225                 DELAY, REQUEST, VALID, PARSE, DETAILS) \
 226         DMM_CONN(ID, CHIPSET, VENDOR, MODEL, NULL, SERIALCOMM, PACKETSIZE, \
 227                 TIMEOUT, DELAY, REQUEST, VALID, PARSE, DETAILS)
 228
 229 SR_REGISTER_DEV_DRIVER_LIST(serial_dmm_drivers,
 230         /*
 231          * The items are sorted by chipset first and then model name.
 232          *
 233          * This reflects the developer's perspective and is preferrable
 234          * during maintenance, as a vendor/product based sort order does
 235          * not work well for rebranded models, and from a support point
 236          * of view it's more important to identify similarities between
 237          * models and compatible devices.
 238          *
 239          * Fold marks {{{ }}} with matching braces were added, to further
 240          * speed up navigation in the long list.
 241          */
 242         /* asycii based meters {{{ */
 243         DMM(
 244                 "metrix-mx56c", asycii, "Metrix", "MX56C",
 245                 "2400/8n1", ASYCII_PACKET_SIZE, 0, 0, NULL,
 246                 sr_asycii_packet_valid, sr_asycii_parse, NULL
 247         ),
 248         /* }}} */
 249         /* bm25x based meters {{{ */
 250         DMM(
 251                 "brymen-bm25x", bm25x,
 252                 "Brymen", "BM25x", "9600/8n1/rts=1/dtr=1",
 253                 BRYMEN_BM25X_PACKET_SIZE, 0, 0, NULL,
 254                 sr_brymen_bm25x_packet_valid, sr_brymen_bm25x_parse,
 255                 NULL
 256         ),
 257         /* }}} */
 258         /* bm86x based meters {{{ */
 259         DMM_CONN(
 260                 "brymen-bm86x", brymen_bm86x, "Brymen", "BM86x",
 261                 "hid/bu86x", NULL, BRYMEN_BM86X_PACKET_SIZE, 500, 100,
 262                 sr_brymen_bm86x_packet_request,
 263                 sr_brymen_bm86x_packet_valid, sr_brymen_bm86x_parse,
 264                 NULL
 265         ),
 266         /* }}} */
 267         /* dtm0660 based meters {{{ */
 268         DMM(
 269                 "peaktech-3415", dtm0660,
 270                 "PeakTech", "3415", "2400/8n1/rts=0/dtr=1",
 271                 DTM0660_PACKET_SIZE, 0, 0, NULL,
 272                 sr_dtm0660_packet_valid, sr_dtm0660_parse, NULL
 273         ),
 274         DMM(
 275                 "velleman-dvm4100", dtm0660,
 276                 "Velleman", "DVM4100", "2400/8n1/rts=0/dtr=1",
 277                 DTM0660_PACKET_SIZE, 0, 0, NULL,
 278                 sr_dtm0660_packet_valid, sr_dtm0660_parse, NULL
 279         ),
 280         /* }}} */
 281         /* eev121gw based meters {{{ */
 282         DMM(
 283                 "eevblog-121gw", eev121gw, "EEVblog", "121GW",
 284                 "115200/8n1", EEV121GW_PACKET_SIZE, 0, 0, NULL,
 285                 sr_eev121gw_packet_valid, sr_eev121gw_3displays_parse, NULL
 286         ),
 287         /* }}} */
 288         /* es519xx based meters {{{ */
 289         DMM(
 290                 "iso-tech-idm103n", es519xx,
 291                 "ISO-TECH", "IDM103N", "2400/7o1/rts=0/dtr=1",
 292                 ES519XX_11B_PACKET_SIZE, 0, 0, NULL,
 293                 sr_es519xx_2400_11b_packet_valid, sr_es519xx_2400_11b_parse,
 294                 NULL
 295         ),
 296         /*
 297          * Note: ES51922 and ES51986 baudrate is actually 19230. This is
 298          * "out" by .15%, and so is well within the typical 1% margin
 299          * that is considered acceptable in UART communication, and thus
 300          * should not cause an issue.
 301          *
 302          * However, using 19230 as baudrate here will not work, as most DMM
 303          * cables do not support that baudrate!
 304          */
 305         DMM(
 306                 "tenma-72-7750-ser", es519xx,
 307                 "Tenma", "72-7750 (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
 308                 ES519XX_11B_PACKET_SIZE, 0, 0, NULL,
 309                 sr_es519xx_19200_11b_packet_valid, sr_es519xx_19200_11b_parse,
 310                 NULL
 311         ),
 312         DMM(
 313                 "uni-t-ut60g-ser", es519xx,
 314                 "UNI-T", "UT60G (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
 315                 ES519XX_11B_PACKET_SIZE, 0, 0, NULL,
 316                 sr_es519xx_19200_11b_packet_valid, sr_es519xx_19200_11b_parse,
 317                 NULL
 318         ),
 319         DMM(
 320                 "uni-t-ut61e-ser", es519xx,
 321                 "UNI-T", "UT61E (UT-D02 cable)", "19200/7o1/rts=0/dtr=1",
 322                 ES519XX_14B_PACKET_SIZE, 0, 0, NULL,
 323                 sr_es519xx_19200_14b_packet_valid, sr_es519xx_19200_14b_parse,
 324                 NULL
 325         ),
 326         /* }}} */
 327         /* fs9721 based meters {{{ */
 328         DMM(
 329                 "digitek-dt4000zc", fs9721,
 330                 "Digitek", "DT4000ZC", "2400/8n1/dtr=1",
 331                 FS9721_PACKET_SIZE, 0, 0, NULL,
 332                 sr_fs9721_packet_valid, sr_fs9721_parse,
 333                 sr_fs9721_10_temp_c
 334         ),
 335         DMM(
 336                 "mastech-ms8250b", fs9721,
 337                 "MASTECH", "MS8250B", "2400/8n1/rts=0/dtr=1",
 338                 FS9721_PACKET_SIZE, 0, 0, NULL,
 339                 sr_fs9721_packet_valid, sr_fs9721_parse,
 340                 NULL
 341         ),
 342         DMM(
 343                 "pce-pce-dm32", fs9721,
 344                 "PCE", "PCE-DM32", "2400/8n1",
 345                 FS9721_PACKET_SIZE, 0, 0, NULL,
 346                 sr_fs9721_packet_valid, sr_fs9721_parse,
 347                 sr_fs9721_01_10_temp_f_c
 348         ),
 349         DMM(
 350                 "peaktech-3330", fs9721,
 351                 "PeakTech", "3330", "2400/8n1/dtr=1",
 352                 FS9721_PACKET_SIZE, 0, 0, NULL,
 353                 sr_fs9721_packet_valid, sr_fs9721_parse,
 354                 sr_fs9721_01_10_temp_f_c
 355         ),
 356         DMM(
 357                 "tecpel-dmm-8061-ser", fs9721,
 358                 "Tecpel", "DMM-8061 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
 359                 FS9721_PACKET_SIZE, 0, 0, NULL,
 360                 sr_fs9721_packet_valid, sr_fs9721_parse,
 361                 sr_fs9721_00_temp_c
 362         ),
 363         DMM(
 364                 "tekpower-tp4000ZC", fs9721,
 365                 "TekPower", "TP4000ZC", "2400/8n1/dtr=1",
 366                 FS9721_PACKET_SIZE, 0, 0, NULL,
 367                 sr_fs9721_packet_valid, sr_fs9721_parse,
 368                 sr_fs9721_10_temp_c
 369         ),
 370         DMM(
 371                 "tenma-72-7745-ser", fs9721,
 372                 "Tenma", "72-7745 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
 373                 FS9721_PACKET_SIZE, 0, 0, NULL,
 374                 sr_fs9721_packet_valid, sr_fs9721_parse,
 375                 sr_fs9721_00_temp_c
 376         ),
 377         DMM(
 378                 "uni-t-ut60a-ser", fs9721,
 379                 "UNI-T", "UT60A (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
 380                 FS9721_PACKET_SIZE, 0, 0, NULL,
 381                 sr_fs9721_packet_valid, sr_fs9721_parse,
 382                 NULL
 383         ),
 384         DMM(
 385                 "uni-t-ut60e-ser", fs9721,
 386                 "UNI-T", "UT60E (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
 387                 FS9721_PACKET_SIZE, 0, 0, NULL,
 388                 sr_fs9721_packet_valid, sr_fs9721_parse,
 389                 sr_fs9721_00_temp_c
 390         ),
 391         DMM(
 392                 "va-va18b", fs9721,
 393                 "V&A", "VA18B", "2400/8n1",
 394                 FS9721_PACKET_SIZE, 0, 0, NULL,
 395                 sr_fs9721_packet_valid, sr_fs9721_parse,
 396                 sr_fs9721_01_temp_c
 397         ),
 398         DMM(
 399                 "va-va40b", fs9721,
 400                 "V&A", "VA40B", "2400/8n1",
 401                 FS9721_PACKET_SIZE, 0, 0, NULL,
 402                 sr_fs9721_packet_valid, sr_fs9721_parse,
 403                 sr_fs9721_max_c_min
 404         ),
 405         DMM(
 406                 "voltcraft-vc820-ser", fs9721,
 407                 "Voltcraft", "VC-820 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
 408                 FS9721_PACKET_SIZE, 0, 0, NULL,
 409                 sr_fs9721_packet_valid, sr_fs9721_parse,
 410                 NULL
 411         ),
 412         DMM(
 413                 "voltcraft-vc840-ser", fs9721,
 414                 "Voltcraft", "VC-840 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
 415                 FS9721_PACKET_SIZE, 0, 0, NULL,
 416                 sr_fs9721_packet_valid, sr_fs9721_parse,
 417                 sr_fs9721_00_temp_c
 418         ),
 419         /* }}} */
 420         /* fs9922 based meters {{{ */
 421         DMM(
 422                 "gwinstek-gdm-397", fs9922,
 423                 "GW Instek", "GDM-397", "2400/8n1/rts=0/dtr=1",
 424                 FS9922_PACKET_SIZE, 0, 0, NULL,
 425                 sr_fs9922_packet_valid, sr_fs9922_parse, NULL
 426         ),
 427         DMM(
 428                 "sparkfun-70c", fs9922,
 429                 "SparkFun", "70C", "2400/8n1/rts=0/dtr=1",
 430                 FS9922_PACKET_SIZE, 0, 0, NULL,
 431                 sr_fs9922_packet_valid, sr_fs9922_parse, NULL
 432         ),
 433         DMM(
 434                 "uni-t-ut61b-ser", fs9922,
 435                 "UNI-T", "UT61B (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
 436                 FS9922_PACKET_SIZE, 0, 0, NULL,
 437                 sr_fs9922_packet_valid, sr_fs9922_parse, NULL
 438         ),
 439         DMM(
 440                 "uni-t-ut61c-ser", fs9922,
 441                 "UNI-T", "UT61C (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
 442                 FS9922_PACKET_SIZE, 0, 0, NULL,
 443                 sr_fs9922_packet_valid, sr_fs9922_parse, NULL
 444         ),
 445         DMM(
 446                 "uni-t-ut61d-ser", fs9922,
 447                 "UNI-T", "UT61D (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
 448                 FS9922_PACKET_SIZE, 0, 0, NULL,
 449                 sr_fs9922_packet_valid, sr_fs9922_parse, NULL
 450         ),
 451         DMM_CONN(
 452                 "victor-dmm", fs9922, "Victor", "Victor DMMs",
 453                 "hid/victor", "2400/8n1", FS9922_PACKET_SIZE, 0, 0, NULL,
 454                 sr_fs9922_packet_valid, sr_fs9922_parse, NULL
 455         ),
 456         DMM(
 457                 /*
 458                  * Note: The VC830 doesn't set the 'volt' and 'diode' bits of
 459                  * the FS9922 protocol. Instead, it only sets the user-defined
 460                  * bit "z1" to indicate "diode mode" and "voltage".
 461                  */
 462                 "voltcraft-vc830-ser", fs9922,
 463                 "Voltcraft", "VC-830 (UT-D02 cable)", "2400/8n1/rts=0/dtr=1",
 464                 FS9922_PACKET_SIZE, 0, 0, NULL,
 465                 sr_fs9922_packet_valid, sr_fs9922_parse,
 466                 &sr_fs9922_z1_diode
 467         ),
 468         /* }}} */
 469         /* m2110 based meters {{{ */
 470         DMM(
 471                 "bbcgm-2010", m2110,
 472                 "BBC Goertz Metrawatt", "M2110", "1200/7n2",
 473                 BBCGM_M2110_PACKET_SIZE, 0, 0, NULL,
 474                 sr_m2110_packet_valid, sr_m2110_parse,
 475                 NULL
 476         ),
 477         /* }}} */
 478         /* ms2115b based meters {{{ */
 479         DMM(
 480                 "mastech-ms2115b", ms2115b,
 481                 "MASTECH", "MS2115B", "1200/8n1",
 482                 MS2115B_PACKET_SIZE, 0, 0, NULL,
 483                 sr_ms2115b_packet_valid, sr_ms2115b_parse,
 484                 NULL
 485         ),
 486         /* }}} */
 487         /* ms8250d based meters {{{ */
 488         DMM(
 489                 "mastech-ms8250d", ms8250d,
 490                 "MASTECH", "MS8250D", "2400/8n1/rts=0/dtr=1",
 491                 MS8250D_PACKET_SIZE, 0, 0, NULL,
 492                 sr_ms8250d_packet_valid, sr_ms8250d_parse,
 493                 NULL
 494         ),
 495         /* }}} */
 496         /* metex14 based meters {{{ */
 497         DMM(
 498                 "mastech-mas345", metex14,
 499                 "MASTECH", "MAS345", "600/7n2/rts=0/dtr=1",
 500                 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
 501                 sr_metex14_packet_valid, sr_metex14_parse,
 502                 NULL
 503         ),
 504         DMM(
 505                 "metex-m3640d", metex14,
 506                 "Metex", "M-3640D", "1200/7n2/rts=0/dtr=1",
 507                 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
 508                 sr_metex14_packet_valid, sr_metex14_parse,
 509                 NULL
 510         ),
 511         DMM(
 512                 "metex-m3860m", metex14,
 513                 "Metex", "M-3860M", "9600/7n2/rts=0/dtr=1",
 514                 4 * METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
 515                 sr_metex14_4packets_valid, sr_metex14_4packets_parse,
 516                 NULL
 517         ),
 518         DMM(
 519                 "metex-m4650cr", metex14,
 520                 "Metex", "M-4650CR", "1200/7n2/rts=0/dtr=1",
 521                 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
 522                 sr_metex14_packet_valid, sr_metex14_parse,
 523                 NULL
 524         ),
 525         DMM(
 526                 "metex-me21", metex14,
 527                 "Metex", "ME-21", "2400/7n2/rts=0/dtr=1",
 528                 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
 529                 sr_metex14_packet_valid, sr_metex14_parse,
 530                 NULL
 531         ),
 532         DMM(
 533                 "metex-me31", metex14,
 534                 "Metex", "ME-31", "600/7n2/rts=0/dtr=1",
 535                 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
 536                 sr_metex14_packet_valid, sr_metex14_parse,
 537                 NULL
 538         ),
 539         DMM(
 540                 "peaktech-3410", metex14,
 541                 "PeakTech", "3410", "600/7n2/rts=0/dtr=1",
 542                 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
 543                 sr_metex14_packet_valid, sr_metex14_parse,
 544                 NULL
 545         ),
 546         DMM(
 547                 "peaktech-4370", metex14,
 548                 "PeakTech", "4370", "1200/7n2/rts=0/dtr=1",
 549                 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
 550                 sr_metex14_packet_valid, sr_metex14_parse,
 551                 NULL
 552         ),
 553         DMM(
 554                 "peaktech-4390a", metex14,
 555                 "PeakTech", "4390A", "9600/7n2/rts=0/dtr=1",
 556                 4 * METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
 557                 sr_metex14_4packets_valid, sr_metex14_4packets_parse,
 558                 NULL
 559         ),
 560         DMM(
 561                 "radioshack-22-168", metex14,
 562                 "RadioShack", "22-168", "1200/7n2/rts=0/dtr=1",
 563                 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
 564                 sr_metex14_packet_valid, sr_metex14_parse,
 565                 NULL
 566         ),
 567         DMM(
 568                 "radioshack-22-805", metex14,
 569                 "RadioShack", "22-805", "600/7n2/rts=0/dtr=1",
 570                 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
 571                 sr_metex14_packet_valid, sr_metex14_parse,
 572                 NULL
 573         ),
 574         DMM(
 575                 "voltcraft-m3650cr", metex14,
 576                 "Voltcraft", "M-3650CR", "1200/7n2/rts=0/dtr=1",
 577                 METEX14_PACKET_SIZE, 150, 20, sr_metex14_packet_request,
 578                 sr_metex14_packet_valid, sr_metex14_parse,
 579                 NULL
 580         ),
 581         DMM(
 582                 "voltcraft-m3650d", metex14,
 583                 "Voltcraft", "M-3650D", "1200/7n2/rts=0/dtr=1",
 584                 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
 585                 sr_metex14_packet_valid, sr_metex14_parse,
 586                 NULL
 587         ),
 588         DMM(
 589                 "voltcraft-m4650cr", metex14,
 590                 "Voltcraft", "M-4650CR", "1200/7n2/rts=0/dtr=1",
 591                 METEX14_PACKET_SIZE, 0, 0, sr_metex14_packet_request,
 592                 sr_metex14_packet_valid, sr_metex14_parse,
 593                 NULL
 594         ),
 595         DMM(
 596                 "voltcraft-me42", metex14,
 597                 "Voltcraft", "ME-42", "600/7n2/rts=0/dtr=1",
 598                 METEX14_PACKET_SIZE, 250, 60, sr_metex14_packet_request,
 599                 sr_metex14_packet_valid, sr_metex14_parse,
 600                 NULL
 601         ),
 602         /* }}} */
 603         /* rs9lcd based meters {{{ */
 604         DMM(
 605                 "radioshack-22-812", rs9lcd,
 606                 "RadioShack", "22-812", "4800/8n1/rts=0/dtr=1",
 607                 RS9LCD_PACKET_SIZE, 0, 0, NULL,
 608                 sr_rs9lcd_packet_valid, sr_rs9lcd_parse,
 609                 NULL
 610         ),
 611         /* }}} */
 612         /* ut71x based meters {{{ */
 613         DMM(
 614                 "tenma-72-7730-ser", ut71x,
 615                 "Tenma", "72-7730 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
 616                 UT71X_PACKET_SIZE, 0, 0, NULL,
 617                 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
 618         ),
 619         DMM(
 620                 "tenma-72-7732-ser", ut71x,
 621                 "Tenma", "72-7732 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
 622                 UT71X_PACKET_SIZE, 0, 0, NULL,
 623                 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
 624         ),
 625         DMM(
 626                 "tenma-72-9380a-ser", ut71x,
 627                 "Tenma", "72-9380A (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
 628                 UT71X_PACKET_SIZE, 0, 0, NULL,
 629                 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
 630         ),
 631         DMM(
 632                 "uni-t-ut71a-ser", ut71x,
 633                 "UNI-T", "UT71A (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
 634                 UT71X_PACKET_SIZE, 0, 0, NULL,
 635                 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
 636         ),
 637         DMM(
 638                 "uni-t-ut71b-ser", ut71x,
 639                 "UNI-T", "UT71B (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
 640                 UT71X_PACKET_SIZE, 0, 0, NULL,
 641                 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
 642         ),
 643         DMM(
 644                 "uni-t-ut71c-ser", ut71x,
 645                 "UNI-T", "UT71C (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
 646                 UT71X_PACKET_SIZE, 0, 0, NULL,
 647                 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
 648         ),
 649         DMM(
 650                 "uni-t-ut71d-ser", ut71x,
 651                 "UNI-T", "UT71D (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
 652                 UT71X_PACKET_SIZE, 0, 0, NULL,
 653                 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
 654         ),
 655         DMM(
 656                 "uni-t-ut71e-ser", ut71x,
 657                 "UNI-T", "UT71E (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
 658                 UT71X_PACKET_SIZE, 0, 0, NULL,
 659                 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
 660         ),
 661         DMM(
 662                 "uni-t-ut804-ser", ut71x,
 663                 "UNI-T", "UT804", "2400/7o1/rts=0/dtr=1",
 664                 UT71X_PACKET_SIZE, 0, 0, NULL,
 665                 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
 666         ),
 667         DMM(
 668                 "voltcraft-vc920-ser", ut71x,
 669                 "Voltcraft", "VC-920 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
 670                 UT71X_PACKET_SIZE, 0, 0, NULL,
 671                 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
 672         ),
 673         DMM(
 674                 "voltcraft-vc940-ser", ut71x,
 675                 "Voltcraft", "VC-940 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
 676                 UT71X_PACKET_SIZE, 0, 0, NULL,
 677                 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
 678         ),
 679         DMM(
 680                 "voltcraft-vc960-ser", ut71x,
 681                 "Voltcraft", "VC-960 (UT-D02 cable)", "2400/7o1/rts=0/dtr=1",
 682                 UT71X_PACKET_SIZE, 0, 0, NULL,
 683                 sr_ut71x_packet_valid, sr_ut71x_parse, NULL
 684         ),
 685         /* }}} */
 686         /* vc870 based meters {{{ */
 687         DMM(
 688                 "voltcraft-vc870-ser", vc870,
 689                 "Voltcraft", "VC-870 (UT-D02 cable)", "9600/8n1/rts=0/dtr=1",
 690                 VC870_PACKET_SIZE, 0, 0, NULL,
 691                 sr_vc870_packet_valid, sr_vc870_parse, NULL
 692         ),
 693         /* }}} */
 694         /* vc96 based meters {{{ */
 695         DMM(
 696                 "voltcraft-vc96", vc96,
 697                 "Voltcraft", "VC-96", "1200/8n2",
 698                 VC96_PACKET_SIZE, 0, 0, NULL,
 699                 sr_vc96_packet_valid, sr_vc96_parse,
 700                 NULL
 701         ),
 702         /* }}} */
 703         /*
 704          * The list is sorted. Add new items in the respective chip's group.
 705          */
 706 );